Double Rainbow Stretch Across Jinshanling Great Wall In Chengde

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A double rainbow: what does it mean?

CHENGDE, CHINA, JUNE 15, 2016: Double Rainbows appear above Jinshanling section of the Great Wall after a thunderstorm at Luanping County in Chengde, Hebei Province of China.

Photo of the Day, July 2, 2016